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Finding the Fourth Proportional to 295.98, 443.89 and 193.92

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Solution

The fourth proportional to 295.98, 443.89 and 193.92 is: 290.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.98 : 443.89 = 193.92 : x
  2. Step 2: Convert to fraction form
    295.98/443.89 = 193.92/x
  3. Step 3: Cross multiply
    295.98x = 443.89 × 193.92
  4. Step 4: Simplify right side
    295.98x = 86,079.15
  5. Step 5: Solve for x
    x = 86,079.15/295.98
  6. Step 6: Final answer
    x = 290.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.